private void btnHoaDon_Click(object sender, EventArgs e)
{
this.Visible = false;
HoaDonThanhToan frmHoaDon = new HoaDonThanhToan();
frmHoaDon.ReturnMenu += FrmHoaDon_Menu;
frmHoaDon.Show();
}
private void btnXoa_Click(object sender, EventArgs e)
{
frmmng.Data.SaveDP("dsdp.txt");
frmmng.Data.SaveDSBill("dsbill.txt");
this.Hide();
HoaDonThanhToan frmB = new HoaDonThanhToan(cbxHoten.Text);
frmB.ShowDialog();
this.Close();
}
